20860989994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{219881}}^1$

素因数の和:220026

約数の個数: 32

約数和(自身を含む): 34908466320

約数和(自身を除く): 14047476326

約数列:

[1, 2, 13, 26, 41, 82, 89, 178, 533, 1066, 1157, 2314, 3649, 7298, 47437, 94874, 219881, 439762, 2858453, 5716906, 9015121, 18030242, 19569409, 39138818, 117196573, 234393146, 254402317, 508804634, 802345769, 1604691538, 10430494997, 20860989994]

約数ペア:

[(1, 20860989994), (2, 10430494997), (13, 1604691538), (26, 802345769), (41, 508804634), (82, 254402317), (89, 234393146), (178, 117196573), (533, 39138818), (1066, 19569409), (1157, 18030242), (2314, 9015121), (3649, 5716906), (7298, 2858453), (47437, 439762), (94874, 219881)]